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A 4.00-microF capacitor that is initially uncharged is connected in series with a 7.90-k ohm resistor and an emf source with E = 120 V and negligible internal resistance.
(a) Just after the circuit is completed, what is the voltage drop across the capacitor?
(b) Just after the circuit is completed, what is the voltage drop across the resistor?
(c) Just after the circuit is completed, what is the charge on the capacitor?
(d) Just after the circuit is completed, what is the current through the resistor?
A 12.0-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 12.2 m/s, determine the rotational kinetic energy about its center of gravity
The longest "string" (a thick metal wire) on a particular piano is 2.0 m long and has a tension of 300.0 N. What is the total mass of the wire
Four charged particles rest at the corners of a square of side a = 0.30 m. Determine the electric field at the position of particle 3 as well as the electric force on particle 3
A long straight wire carrries a current I1 of 15 A. A rectangular coil with two sides parallel to the straight wire has sides 5 cm, what is the net force of the coil
If the kinetic energy of an electron is 910 eV, calculate its De Broglie wavelength. For this non-relativistic electron you must firs, calculate its velocity from the general kinetic energy equation
The carbon isotope 14C is used for carbon dating of archeological artifacts. 14C ( mass 2.34×10?26kg) decays by the process known as beta decay in which the nucleus emits an electron, What is the recoil speed of the nucleus
A 743 pF capacitor is charged to 130 V and then quickly connected across a 172 mH inductor.What is the resulting frequency of oscillation
A woman accelerates her motorized scooter, with the engine on, down a 13-m-long ramp that starts at a height of 2.2 m. how many joules of energy did friction absorb
Find the thermal efficiency and the specific work of a simple Rankine cycle if the maxium temperature and pressure are 1050oC and 5.0 MPa and the minimum pressure is 20 kPa.
find out kinetic energy of ball at the highest point of motion.
You pull your 55.00 kg friend on a 5.00 kg sled across a patch of snow. You pull using a 48-N force on a rope that makes a 35 degree angle with the horizontal. If the friction force between the sled and the snow is a mere 5-N what is the normal fo..
A 60 kg skier skis a distance of d=200 m down a q=15o incline starting from rest. His speed at the bottom of the hill is 5 m/s. What was the NET work done on the skier
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